Castrol Lcematic ZL 150DL, 150TD, 200TD, 300,400 CA is a high-quality fully synthetic benzene refrigeration oil with excellent low temperature properties, oxidation stability and thermal stability under a wide temperature range of use have good performance. Apply to CFC, HCFC, carbon dioxide and ammonia as a refrigerant air conditioning and refrigeration machines and other equipment, can also be used with mixed refrigerant containing HCFC, but should refer to the manufacturer's recommendation freeze.